MacBook Java开发环境的配置

原文：
https://www.jianshu.com/p/fe6b68295479

jdk 1.8 下载地址
https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html

jdk的配置
https://www.jianshu.com/p/a85658902f26

maven的安装和配置
https://www.cnblogs.com/chenyanbin/p/12506889.html